213-231 is a Los Angeles, California phone prefix held by Level 3 (Lumen).
NANPA, which runs the North American numbering plan, lists Level 3 (Lumen) as the holder of 213-231, assigned on October 21, 2015, for the Los Angeles rate center (LSAN DA 01) in California. The prefix covers 10,000 numbers, 213-231-0000 to 213-231-9999. It is pooled, so blocks of 1,000 of those numbers can be assigned to other carriers. A number may have moved to another carrier since, because people keep their number when they switch.
- Held by
- Level 3 (Lumen)
- What the holder is
- Lumen's business and wholesale network
- Rate center
- Los Angeles (NANPA code LSAN DA 01)
- State
- California
- Assigned by NANPA
- October 21, 2015
- Pooled
- Yes: blocks of 1,000 numbers in it can be with other carriers
- Numbers
- 213-231-0000 to 213-231-9999
- Area code
- Area code 213, Los Angeles
These are NANPA's records for the whole prefix, as of October 1, 2026. One number may have moved to another carrier since, so check the full number below.
Check which carrier a 213-231 number is on today.
The box already holds 213-231-, so type the last four digits. It is the same free check as our carrier lookup. To see who a number is listed to, use our free who called me lookup.
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These are the 16 prefixes closest to 213-231 in area code 213.
- 213-223TPX Communications
- 213-224Bandwidth
- 213-225TPX Communications
- 213-226PAETEC (Windstream)
- 213-227North County Communication
- 213-228Pacific Bell (AT&T)
- 213-229Pacific Bell (AT&T)
- 213-230American Messaging
- 213-232Onvoy
- 213-233PAETEC (Windstream)
- 213-234PAETEC (Windstream)
- 213-235PAETEC (Windstream)
- 213-236Pacific Bell (AT&T)
- 213-237Pacific Bell (AT&T)
- 213-238Verizon Wireless
- 213-239Pacific Bell (AT&T)
These are the questions people ask about 213-231 numbers.
Which carrier owns 213-231 numbers?
NANPA's records as of October 1, 2026 list Level 3 (Lumen) as the holder of the 213-231 prefix, assigned on October 21, 2015. The prefix is pooled, so blocks of 1,000 numbers in it can belong to other carriers, and any number can have been ported since. Enter the full number in the box above to see the carrier it is on today.
Where is a 213-231 number from?
The 213-231 prefix is assigned to the Los Angeles rate center (LSAN DA 01) in California. A rate center is the local calling area a prefix belongs to. Mobile and internet phone numbers keep their prefix when the owner moves, so the person calling can be somewhere else.
Who called me from a 213-231 number?
The prefix tells you the carrier and the area, not the person. Enter the full 10-digit number in our free who called me lookup to see who it is listed to, where there is a public record.
Source: NANPA, the North American Numbering Plan Administrator: its central office code assignments, as of October 1, 2026.